For hundreds of years, optical devices like telescopes and microscopes have relied on solid lenses that slide up and down to magnify and to focus. To tune how much light is received, convent... Read more
A surprising low-tech tool—Scotch Magic tape—was one of the keys to the discovery An international group of researchers from the University of Minnesota, Argonne National Laboratory and Seou... Read more
Currently, the new optical relay device operates one million times per second. A team of scientists and engineers at the University of Minnesota has invented a unique microscale optical devi... Read more